Improvement of signal-to-noise ratio in a bistable optical system: Comparison between vibrational and stochastic resonance

被引：88

作者：

Chizhevsky, VN

Giacomelli, G

机构：

[1] Ist Nazl Ott Applicata, I-50125 Florence, Italy

[2] NASB, BI Stepanov Phys Inst, Minsk 220072, BELARUS

[3] Ist Nazl Fis Mat, Unita Firenze, Florence, Italy

来源：

PHYSICAL REVIEW A | 2005年 / 71卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.71.011801

中图分类号：

O43 [光学];

学科分类号：

070207 [光学]; 0803 [光学工程];

摘要：

We present an experimental and theoretical study of the, effect of additive noise on the signal-to-noise ratio (SNR) in a bistable, vertical cavity laser. We show that, the regime of vibrational resonance leads to higher SNR's than the regime of stochastic resonance. A scaling law for. the noise-induced degradation of SNR is obtained analytically and compared with experimental and numerical results, showing a good agreement.

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页数：4

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